Quick Definition
both of two
Strong's Definition
(in plural) both
Derivation: comparative of (around);
KJV Usage: both
Thayer's Greek Lexicon
ἀμφότεροι, , (from Homer down), both of two, both the one and the other: Mat_9:17, etc.; τά ἀμφότερα, Act_23:8; Eph_2:14.
Mounce Concise Greek Dictionary
ἀμφότεροι amphoteroi 14x
both. Only plural in the NT. both.
Abbott-Smith Greek Lexicon
ἀμφότεροι , -αι , -α
(replaces ἄμφω in κοινή ,, V. M , Pr., 57; used of more than two, Pr., 80; MM , VGT , s.v. ), both of two: Mat_9:17 , al.
Moulton & Milligan — Vocabulary of the Greek NT
ἀμφότεροι (~ ἀμφότερος ) [page 28]
On P Lond 336 .13 (A.D. 167) (= II. p. 221) Kenyon observes, ἀμφότεροι = πάντες in late Byzantine Greek . . . and it is possible that colloquially the use existed earlier. The text here has the names of five men ἀμφότεροι ἱερεῖς θεοῦ κώμης Σοκνοπαίου Νήσου . In P Thιad 26 4 (A.D. 296) Αὐρήλιοι ῾Η ]ρωνῖνος καὶ Ἀθανάσιος κ [α ]ὶ Φιλάδελφος καὶ Σερηνίων ἀμφότεροι ἐξηγ (ητεύσαντες ) makes ἀμφ . apply to three persons, if with the Ed. (and no. 27 .7 ) we read ὁ καὶ Ἀθανάσιος : in no. 27 we find the first two characterized as having been exegetae, while Serenion is κοσμ (ητεύσας ), two years later. Prof. Thumb refers to BZ xi. p. 111 for ἀμφ . = alle zusammen. In the London papyrus, despite Bury s paper on this late usage ( CR xi. p. 393), it is hard to disagree with Kenyon s suspicion that it was not only the last two of these five who were priests : cf. P Lond 353 7 (A.D. 221) (= II. p. 112) where again we find five representatives of the πενταφυλία of Socnopaei Nesus.
This usage is further strengthened by P Gen I. 67 5 (A.D. 382), and ib. 69 4 (A.D. 386) where ἀμφότεροι is used of four men. A similar extension of the word to the seven sons of Sceva in Act_19:16 undoubtedly simplifies the narrative. See further Moulton CR xv. p. 440, and Proleg. p. 80, where other exx. are noted. Radermacher ( Gramm. p. 64) is in favour of making ἀμφ . mean all in Acts.
Liddell-Scott — Intermediate Greek Lexicon
ἀμφότερος [Etym: ἄμφω] "each or both of two", Lat. uterque, Hdt. , Aesch. , etc. neut. ἀμφότερον as adv., ἀμφότερον βασιλεύς τ᾽ ἀγαθός κρατερός τ᾽ αἰχμητής "both" good king and stout warrior, Il. ; so in neut. pl., ἀμφότερα μένειν πέμπειν τε Aesch. κατ᾽ ἀμφότερα "on both sides, utrinque", Hdt. ; ἐπ᾽ ἀμφότερα, "both ways, in utramque partem", id=Hdt. ; ἀπ᾽ ἀμφοτέρων "from both sides, ex utraque parte", id=Hdt. ; ἀμφοτέραις, epic -ηισι (sc. χερσί), Od. ; ἐπ᾽ ἀμφοτέρων βεβα_κώς (sc. ποδῶν) Theocr.
STEPBible — Tyndale Abridged Greek Lexicon
ἀμφότεροι, -αι, -α
(replaces ἄμφω in κοινή, V. M, Pr., 57; used of more than two, Pr., 80; MM, VGT, see word), both of two: Mat.9:17, al.
(AS)